Method of PaymentAccepted all major credit including Visa, MasterCard, American Express and JCB. Alternatily you can use Paypal, the most advanced encryption method of the industry.How to sell your products - Author/Developer ProgramsSilver Program: Commission 30%. You receive 70% of your sales + free banner advertisement on Simnetwork website. Requirement: Exclusivity of your products and you may sell the product on your own web site. Gold Program: Commission 20%. You receive 80% of product sales + free banner advertisement on Simnetwork website. Requirement: Exclusivity of all your products at Simnetwork only.